Linked from

The 27 pages that link to Sine, each with the reason it gives.

• Cross productRelated: The angle-dependent magnitude uses the sine of the angle between the vectors.

• Euler's formulaRelated: It supplies the imaginary coordinate of the complex exponential.

• Angular frequencyRelated: Sinusoidal oscillations use angular phase as the sine function’s input.

• PiRelated: Its fundamental period is 2π.

• CosineRelated: Sine shares cosine’s circle definition but tracks the other coordinate.

• Inverse trigonometric functionsRelated: Arcsine recovers a principal angle from a sine value.

• TangentRelated: Tangent uses sine as its numerator.

• Euler's identityRelated: At π its value is zero, removing the imaginary component in Euler's formula.

• Trigonometric identityRelated: Its periodic values appear throughout identities, often paired with cosine.

• Indian mathematicsRelated: Indian astronomers developed sine tables and methods suited to astronomical calculation.

• Madhava of SangamagramaRelated: Madhava developed an infinite series for this function.

• Ibn SahlRelated: The sine relation is central to the quantitative formulation associated with Ibn Sahl.

• Jamshid al-KashiRelated: Accurate sine values were essential to his astronomical tables and trigonometric work.